package com.wanlian.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringContextUtil implements ApplicationContextAware, java.io.Serializable {

    //private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;

    // Spring应用上下文环境
    private static ApplicationContext applicationContext;

    /*
     * 实现了ApplicationContextAware 接口，必须实现该方法；
     *通过传递applicationContext参数初始化成员变量applicationContext
     */
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringContextUtil.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(String name) throws BeansException {
        return (T) applicationContext.getBean(name);
    }
}
